25712973

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19979}}^1$

素因数の和:20009

約数の個数: 24

約数和(自身を含む): 43636320

約数和(自身を除く): 17923347

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 19979, 59937, 179811, 219769, 259727, 659307, 779181, 1977921, 2337543, 2856997, 8570991, 25712973]

約数ペア:

[(1, 25712973), (3, 8570991), (9, 2856997), (11, 2337543), (13, 1977921), (33, 779181), (39, 659307), (99, 259727), (117, 219769), (143, 179811), (429, 59937), (1287, 19979)]